TYPICAL PERFORMANCE CURVES (Cont.) At TA
參數資料
型號: ADS7818EB/2K5G4
廠商: Texas Instruments
文件頁數: 18/21頁
文件大?。?/td> 0K
描述: IC 12BIT 500KHZ ADC CONV 8-MSOP
產品培訓模塊: Data Converter Basics
標準包裝: 2,500
位數: 12
采樣率(每秒): 500k
數據接口: 串行
轉換器數目: 1
功率耗散(最大): 20mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-TSSOP,8-MSOP(0.118",3.00mm 寬)
供應商設備封裝: 8-MSOP
包裝: 帶卷 (TR)
輸入數目和類型: 1 個差分,單極
配用: 296-19913-ND - EVAL MOD FOR ADS7818
6
ADS7818
TYPICAL PERFORMANCE CURVES (Cont.)
At TA = +25°C, VCC = +5V, fSAMPLE = 500kHz, fCLK = 16 fSAMPLE, and internal +2.5V reference, unless otherwise specified.
CHANGE IN SIGNAL-TO-NOISE RATIO
and SIGNAL-TO-(NOISE+DISTORTION)
vs TEMPERATURE
–20
–40
100
Temperature (
°C)
Delta
from
+25
°C
(dB)
0.2
0.1
0.0
–0.1
–0.2
–0.3
0.3
0
20
40
60
80
SINAD
SNR
f
IN = 100kHz, –0.2dB
CHANGE IN SPURIOUS FREE DYNAMIC RANGE
AND TOTAL HARMONIC DISTORTION
vs TEMPERATURE
–20
–40
100
Temperature (
°C)
SFDR
Delta
from
+25
°C
(dB)
THD
Delta
from
+25
°C
(dB)
0.5
0.0
–0.5
–1.0
–1.5
–2.0
1.0
–0.5
0.0
0.5
1.0
1.5
2.0
–1.0
0
20
40
60
80
THDh
SFDR
h First nine harmonics
f
IN = 100kHz, –0.2dB
of the input frequency
0
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN = 247kHz, –0.2dB)
Amplitude
(dB)
–100
–80
–60
–40
–20
0
250
62.5
187.5
125
Frequency (kHz)
–120
SPURIOUS FREE DYNAMIC RANGE AND
TOTAL HARMONIC DISTORTION
vs INPUT FREQUENCY
10k
100k
1k
1M
Input Frequency (Hz)
SFDR
(dB)
THD
(dB)
85
80
75
70
65
90
85
80
75
70
65
90
THDh
h First nine harmonics
of the input frequency
SFDR
SIGNAL-TO-NOISE RATIO and
SIGNAL-TO-(NOISE+DISTORTION)
vs INPUT FREQUENCY
10k
100k
1k
1M
Input Frequency (Hz)
SNR
and
SINAD
(dB)
74
72
70
68
66
64
76
SINAD
SNR
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